Patent US3217570A successfully refreshed from Google Patents.
US3217570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deburring tool
Assignee: Individual
•
Filing: 1965-01-06
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Granted: 1965-11-16
•
Expires: 1985-01-06
Abstract
No abstract record available.
Inventors
- 👤 Glen H Cogsdill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:26
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/101; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/909; Y10T408/9095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A DEBURRING TOOL COMPRISING A CYLINDRICAL BODY HAVING A THROUGH SLOT FORMED THEREIN AND EXTENDING AXIALLY TO ONE END OF THE BODY TO PROVIDE A PAIR OF SPACED APART SPRING ARMS WHICH ARE ADAPTED TO FLEX TOWARD AND AWAY FROM ONE ANOTHER, SAID SPRING ARMS FORMING INTEGRAL EXTENSIONS OF THE UNSLOTTED PORTION OF THE BODY, SAID ARMS EACH HAVING ADJACENT BUT SPACED AXIALLY INWARDLY OF THE FREE END THEREOF A CUTTING TOOL COMPRISING A RADIAL ENLARGEMENT FORMED WITH A CUTTING EDGE WHICH EXTENDS GENERALLY TRANSVERSELY OF THE LONGITUDINAL AXIS OF SAID SLOT, THE OPPOSED INNER FACES OF SAID ARMS DEFINING THE OPPOSITE SIDES OF SAID SLOT AND THE FREE ENDS OF SAID SPRING ARMS EXTENDING BEYOND SAID CUTTING TOOLS COMPRISING A PILOT PORTION OF SMALLER RADIUS THAN SAID CUTTING TOOLS.
Claim 2
Dependent Claim
130 words
A DEBURRING TOOL COMPRISING A CYLINDRICAL BODY HAVING A THROUGH SLOT FORMED THEREIN AND EXTENDING AXIALLY TO ONE END OF THE BODY TO PROVIDE A PAIR OF SPACED APART SPRING ARMS WHICH ARE ADAPTED TO FLEX TOWARD AND AWAY FROM ONE ANOTHER, SAID SPRING ARMS FORMING INTEGRAL EXTENSIONS OF THE UNSLOTTED PORTION OF THE BODY, SAID ARMS EACH HAVING ADJACENT BUT SPACED AXIALLY INWARDLY OF THE FREE END THEREOF A CUTTING TOOL COMPRISING A RADIAL ENLARGEMENT FORMED WITH A CUTTING EDGE WHICH EXTENDS GENERALLY TRANSVERSELY OF THE LONGITUDINAL AXIS OF SAID SLOT, THE OPPOSED INNER FACES OF SAID ARMS DEFINING THE OPPOSITE SIDES OF SAID SLOT AND THE FREE ENDS OF SAID SPRING ARMS EXTENDING BEYOND SAID CUTTING TOOLS COMPRISING A PILOT PORTION OF SMALLER RADIUS THAN SAID CUTTING TOOLS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |